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【单选题】
关于频数表的制作 , 以下( )论述是正确的。A.
频数表的组数越多越好
B.
频数表的下限应该大于最小值
C.
频数表的上限应该小于最大值
D.
一般频数表采用等距分组
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举一反三
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A.
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B.
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A.
a, an
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